Cisco switches common Commands

Switch command

Switch> User mode

1: Enter privileged mode enable

Switch> Enable

switch#

2: Enter global configuration mode configure terminal

Switch> Enable

Switch#configure Terminal

Switch (conf) #

3: Switch name hostname aptech2950 Take aptech2950 as an example

Switch> Enable

Switch#configure Terminal

Switch (conf) #hostname aptch-2950

aptech2950 (CONF) #

4: Configure enable password enable password Cisco for example

Switch> Enable

Switch#configure Terminal

Switch (conf) #hostname aptch2950

aptech2950 (CONF) # Enable password Cisco

5: Configure enabling password enable secret Ciscolab take Cicsolab as an example

Switch> Enable

Switch#configure Terminal

Switch (conf) #hostname aptch2950

aptech2950 (CONF) # enable secret Ciscolab

8: View Commands Show

Switch> Enable

switch# Show version View all versions information in the system

Show interface VLAN 1 view switch configuration information about the IP protocol

Show Running-configure View the configuration information that the switch is currently working on

Show interface fastethernet 0/1 view switch 1 interface specific configuration and statistical information

Show Mac-address-table view MAC Address Table

Show mac-address-table aging-time view MAC Address Table automatic aging time

9: Switch Restore factory default RESTORE command

Switch> Enable

switch# Erase Startup-configure

switch# Reload

10: Duplex Mode settings

Switch> Enable

Switch#configure Terminal

switch2950 (conf) #hostname aptch-2950

aptech2950 (CONF) # interface Fastehernet 0/17 with 17 ports for example

aptech2950 (conf-if) #duplex Full/half/auto has full, half, auto three options

11:CDP Related commands

Switch> Enable

switch# Show CDP View the CDP global configuration information for the device

Show CDP interface fastethernet 0/17 View CDP configuration information for 17 ports

Show CDP traffic View statistics about CDP packages

Show CDP Nerghbors lists Cisco devices connected to devices

12:csico2950 Password Recovery www.bianceng.cn

Disconnect the switch power cable.

Press the switch mode key with your hand and plug in the power cord

After switch: Execute flash_ini command: Switch:flash_ini

See the files in Flash: Switch:dir Flash:

Rename "Config.text" file as "Config.old": Switch:rename flash:config.text Flash:config.old

Execute Boot:switch:boot

Switch entry into the configured dialog, execute No:

Enter privileged mode to see files in Flash: Show Flash:

Rename "Config.old" file as "Config.text": Switch:rename flash:config.old Flash:config.text

"Config.text" into the system of "running-configure": Copy flash:config.text System:running-configure

Reset the configuration mode to save the password and restore the password successfully.